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77julia77 [94]
3 years ago
6

Which is a solution to the equation? (x-2)(x + 5) = 18

Mathematics
1 answer:
anastassius [24]3 years ago
6 0
The first one is correct!
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The volume of the triangular prism is 54 cubic units.What is the value of x?
nadezda [96]

Answer:

x=3

Step-by-step explanation:

the volume of the prism with triangular base is 54 unit³

The base is a triangle with,  base i.e 4 units  and  height i.e x units

Also,  height of the prism = 3x

So, volume of the prism is,

And

,

Area_{Triangle}=\dfrac{1}{2}\times base\times Height_{Triangle}=\dfrac{1}{2}\times 4\times x=2x\ unit^2

Then,

V_{Prism}=2x\times 3x=6x^2

As the volume is given as 54 unit³, hence

6x²=54

x²=9

x=3

6 0
4 years ago
Goran wants to earn more than $58 trimming trees. He charges $7 per hour and pays $5 in equipment fees. What are the possible nu
Goryan [66]

9514 1404 393

Answer:

  more than 9 hours

Step-by-step explanation:

Goran's net earnings for h hours work will be ...

  7h -5 . . . . hourly pay less equipment fees

He wants this amount to be more than $58:

  7h --5 > 58

  7h > 63 . . . . . add 5

  h > 9 . . . . . . divide by 7

Goran could trim trees for more than 9 hours.

6 0
3 years ago
What is the first step to solve this equation:
timama [110]

Answer:

How are you doing today

3 0
3 years ago
Read 2 more answers
What are the factors of 90??
Vaselesa [24]
The factors of 90 are: 2*3^2*5
or: 2,45, 3,30, 5,18, 6,15, 9,10, 1,90
in order: 1,2,3,5,6,9,10,15,18,30,45,90
8 0
3 years ago
What expression is equivalent to 4^7x4-5
Maurinko [17]
4^2

4^7x4^-5
4^(7+(-5))
4^2
8 0
3 years ago
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